Add 90/6 and 81/28
1st number: 15 0/6, 2nd number: 2 25/28
90/6 + 81/28 is 501/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 6 × 14 = 84,
90/6 = 90 × 14/6 × 14 = 1260/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
81/28 = 81 × 3/28 × 3 = 243/84 - Add the two like fractions:
1260/84 + 243/84 = 1260 + 243/84 = 1503/84 - 1503/84 simplified gives 501/28
- So, 90/6 + 81/28 = 501/28
In mixed form: 1725/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/12+81/28 90/6+81/56 90/18+81/28 90/6+81/84 90/30+81/28 90/42+81/28